I need to capture a full 5.1 mix from SR (SDI) as discrete channels in order to upload a final deliverable. However, everything is being mixed down to channels 1-2, obviously not what I want. On the control panel I see this is the only option (all channels are being mixed to 1-2). I've tried capturing using FCP and VTR xchange. I called AJA and they said the 3g doesn't decode 5.1 and I need a decoder. What product do I need to be able to handle this? Thanks!